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This tutorial walks through adding sound effects with AVFoundation, creating an AudioPlayer helper, implementing navigation to a custom settings view, and using SwiftUI bindings, forms, and modifiers to build a fully functional iOS “Electronic Wooden Fish” application.
The Android app’s HLS video produced an electric‑like noise because FFmpeg’s av_find_best_stream mistakenly selected the second audio track in a dual‑stream file, a track lacking 1‑8 kHz frequencies, whereas iOS and PC used the correct first track; fixing requires publishing videos with a single audio track and adding detection tools.
This article walks through the core functionalities of the QQ Music mini‑program—including station launch, friend cards, guided login, playback controls, lyric scrolling, dynamic background colors, and error handling—while sharing implementation details, common bugs on Android and iOS, and practical fixes for developers building audio features in WeChat mini‑apps.